Anti-Tramp

Revision as of 10:50, 6 July 2016; view current revision
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Rear suspension tends to 'tramp' (hop up and down) when large amounts of torque are applied. If you have an engine more powerful than stock, to minimize tramp you can fit anti-tramp rods a.k.a. Traction Bars.

Overview

The traction bar stops the wind-up of the spring.

Custom anti-tramp springs developed and made by John Taylor at Pedders Penrith
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Datsun Competition

See Datsun 1200 Competition Suspension Manual

The Datsun Comp setup is for a dedicated track car:

Slapper Bars

The famous Lakewood traction bar:

The traditional street/track setup is like this:
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'Slapper Bar' Street/Dragstrip Setup This is like the other photos, except the front is not solidly mounted to the chassis. It doesn't interfere with normal suspension unless wind-up occurs. Plus it has a little "play" so that it hits, it slaps, bites down to help traction.

Anti-Tramp Bars

This commercially designed anti-tramp system is similar to the Datsun Comp design.

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CalTracs

CalTracs are the most innovative traction bar units today, often imitated, but never duplicated. Calvert Racing manufactures and distributes the world famous Caltracs traction bars.

http://www.calvertracing.com/caltracs.html

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rally1200

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kaluladotgroen

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